Gear Solutions Online

Go Team! This is the time of year when teams are very much in our thinking. How is our favorite professional baseball team shaping up, or how is our fantasy team doing? How is our kid’s lit...

A gear designer must consider the most economical solution that will avoid failure within the design life. The usual result will be a gear of minimum weight and size for the anticipated loads and w...

GS: This year marks your company’s 60th anniversary. Tell us about its founding. ES: My father was an engineer who worked at aircraft plants all around the country during World War II, f...

According to Merriam-Webster innovation is defined as a new idea, method, or device, so a reference to the Hydra-Lock Corporation certainly wouldn’t be out of place. Founded as the result of...

Friction and wear can be found in every moving object, from the cars we drive to the lifesaving devices used to keep our blood pumping. When the efficiencies of these machines fall short of their t...

Users of “superhard” materials such as CBN (cubic boron nitride) in cutting tools commonly believe that chamfering—also known as applying a “T-Land” or “K-Land&r...

IntroductionThe power density of a gearbox is an important consideration for many applications and is especially important for gearboxes used on aircraft. One factor that limits gearbox power densi...

Many factors come into play when selecting gear oils, including the projected life of a gearbox, its seals, and the desired performance of the gearbox within an application. Typically, end users re...

Well, here we are again, it’s springtime. As I write this column—which was composed in early April, by the way—I am looking out the window at the snow that is coming down. Of cour...

In the 11th century, every combatant carried a sword. Swords were thick and heavy to prevent breakage, making them unwieldy in battle. Those who were wealthy could buy a lightweight, virtually inde...

GS: You joined the company in February. What attracted you to the position? RN: I had worked with the president of Eldec U.S.A. years ago at another company, and when he contacted me about the jo...

When you’re a foundry located in Beaumont, Texas, it’s to be expected that you’ll pursue contracts with the petrochemical industry. But when you’ve been around for 82 years ...

Material selection is one of the most crucial decisions made in the design, manufacture, and application of large structural components. Material selection naturally influences the entire performan...

The form grinding process has dramatically increased the efficiency of gear grinding machines, and consequently the productivity of gear shops. New tools and advanced CNC controls facilitate faster...

Abstract This paper is aimed at the development of a novel design of precision gear hob for the machining of involute gears on a conventional gear-hobbing machine. The reported research is based on...

Well, it’s that time of year again… and no, I don’t mean April 15. Even though this is indeed that unfortunate time of year when we all must prepare and submit our tax statements...

ISO defines a globoidal worm drive as: “A gear whose flanks are capable of line contact with those of an enveloping worm, when meshed together with cross axes.”Last month we covered som...

GS: Tell us about your background in gear manufacturing.KS: My father was a tool and die maker, so he had me in the machine shop at a young age. I graduated from Tennessee Tech University in 1991 ...

In a perfect pairing of academic training and hands-on experience, two men came together 22 years ago and launched a company called American Gear & Engineering, Inc., in Westland, Michigan. &ld...

In the past, generations lived from cradle to grave with little noticeable difference in lifestyle. Today, as you well know, we live in a spectacularly different world. If you buy the latest, faste...

For over 60 years Hydra-Lock Corporation has been the leader in hydraulic work and tool holding. We are the originators of hydraulic holding and have continuously developed new and innovative hydra...

Abstract This paper is aimed at the development of a novel design of precision gear hob for the machining of involute gears on a conventional gear-hobbing machine. The reported research is based on...

I hope that you all had a very happy Valentine’s Day and are looking forward—as I am—to warmer weather. Remember to ask your employees to drive carefully this time of year. One of...

There is a wide choice in tooth forms, each form with its own share of merits and demerits depending on the application. Several forms are associated with a trade name. Under the optimum conditions...

GS: You have an interesting job title. What does your position entail?BM: I’ve been with SKF for almost 25 years now, and I’ve worked in nearly every division we have, from automotive ...

Hilton Treuden was not a man who allowed a setback to get him down for long. When one road ended, he simply forged a new course of his own. Strangely enough, the first obstacle he encountered actua...

Abstract: This paper presents an original method for determining the efficiency of the gear. The originality of this method relies on the eliminated friction modulus. In the following pages we anal...

Broaching is one of the most productive and precise metal-cutting operations performed today. It’s also one of the most misunderstood.Broaching resembles planing or shaping, in that the broac...

Introduction: Gearboxes are one of the most widely used types of industrial equipment in the world. They are used as vital power transmission sources for nearly every kind of business operating in ...

 Well known for its specialization in indexable and solid carbide thread and form milling tools, Advent Tool and Manufacturing has developed an involute spline form milling tool for prototype ...

Many times this column has addressed the safety hazards associated with gear cutting and hob sharpening machines. I would feel remiss if we did not spend some time addressing the safety hazards ass...

It has been said by Ernest Rabinowicz, professor emeritus at M.I.T., that three things terminate the life of a machine: obsolescence, accidents, and surface degradation. We know as in the latter ca...

GS: Tell us a little about your own background, and how you came to join the company.DS: I joined Cole Manufacturing Systems about 17 years ago. Prior to that I was a systems engineer for EDS, whe...

Born in Tilbury, Ontario, his mother sent him to the United States at 17, hoping he’d have a better life there. He became a U.S. citizen, and a year later that bond was tested when he was sen...

In the early 1970s the Occupational Safety and Health Act (OSHA) generated more awareness, concern, and a need to control industrial noise (sound levels). This in turn created a need to advance tec...

The value of analytical gear measurement grows as advances in technology allow gears to be measured in ways that help diagnose complex manufacturing problems. Is it enough to measure just index, he...

In the June 2005 issue of Gear Solutions we presented an article titled “An Elementary Guide to Gear Inspection,” which was followed by “A New Standard in Gear Inspection” i...